CPO概念下挫，新易盛、中际旭创盘中大跌，云计算50ETF（516630）陷入回调

Group 1 - The overall A-share market experienced narrow fluctuations on May 27, with major indices showing mixed results. The sectors of non-ferrous metals, automobiles, electronics, and communications led the declines, while textiles, real estate, and others showed gains [1] - Concept indices such as cultivated diamonds, dairy, superhard materials, beverage manufacturing, three-child policy, and plant-based meat saw significant increases, while CPO optical modules, optical communications, and robotics faced declines [1] - The cloud computing 50 ETF (516630) saw a drop of nearly 1.5% in the afternoon, with leading stocks like Xinyisheng, Tuolisi, Shensinfeng, and Zhongji Xuchuang declining, while a few companies like China Great Wall experienced gains [1] Group 2 - Shanghai Securities believes that AI infrastructure in the Middle East may drive a new wave of demand for optical modules, with the potential for a 1.6T demand catalyst by 2026, leading to both volume and price increases [2] - Domestic internet giants and operators are increasing capital expenditures in the AI sector, which may benefit second-tier optical module manufacturers, improving their performance [2] - The cloud computing 50 ETF (516630) has a high AI computing power content, covering sectors such as optical modules, computing leasing (IDC), data storage, servers, and liquid cooling. The DeepSeek concept stocks account for 42.9% of the cloud computing index (930851) [2]